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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 628 · 40 questions
TalentJR

Engineer's tip (What is in the middle?): Find the fulcrum, the load and the effort. Put them in order along the bar and look at the middle one. Fulcrum middle → class 1 · load middle → class 2 · effort middle → class 3.

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  1. 1.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  5. 5.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) nothing
  21. 21.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  22. 22.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock
  26. 26.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  27. 27.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  35. 35.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

  1. class 2
  2. class 3
  3. class 1
  4. class 2
  5. class 1
  6. False
  7. class 1
  8. class 2
  9. class 3
  10. class 1
  11. class 3
  12. class 2
  13. class 1
  14. class 1
  15. class 2
  16. True
  17. class 1
  18. True
  19. class 3
  20. the fulcrum
  21. class 1
  22. True
  23. False
  24. class 2
  25. far from the fulcrum
  26. the load
  27. class 3
  28. class 3
  29. class 2
  30. class 3
  31. the effort
  32. class 3
  33. class 1
  34. the fulcrum
  35. class 3
  36. class 3
  37. class 1
  38. True
  39. class 3
  40. class 2

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